CN206035436U - Integrated wellhead assembly is adopted to marine notes - Google Patents
Integrated wellhead assembly is adopted to marine notes Download PDFInfo
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- CN206035436U CN206035436U CN201621063186.6U CN201621063186U CN206035436U CN 206035436 U CN206035436 U CN 206035436U CN 201621063186 U CN201621063186 U CN 201621063186U CN 206035436 U CN206035436 U CN 206035436U
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Abstract
The utility model provides an integrated wellhead assembly is adopted to marine notes, includes: the first cross of an oil pipe, installing the last flange at the first cross of an oil pipe port, should going up the lower extreme of flange and install the oil pipe hanger, be equipped with an eccentric orfice respectively on going up flange and oil pipe hanger, be equipped with holistic cable in this eccentric orfice and pass through the ware, this cable passes through the ware and is sealed up by the sealing washer, this tubing hanger's upper portion cover is equipped with the second and seals up, and the second is sealed to match with last inner hole of the flange, it is first sealed that the lower part cover is equipped with the lower part, and first sealing up is matched with the first cross hole of oil pipe, supporting seat and locking ring are equipped with to first sealed lower part, and the supporting seat lower part is equipped with first inclined plane, and this first inclined plane cooperatees with the second inclined plane of the first cross hole lower part step of oil pipe. The utility model provides a when annotating vapour operation conversion electrical submersible pump pump oil extracting worker skill, needed the tubular column and the problem of changing the well head, improved work efficiency greatly, the time and the operating cost of saving change well head.
Description
Technical field
This utility model is related to offshore oilfield, more particularly to a kind of marine note adopts integrated well head device.Belong to ocean stone
Oily engineering field.
Background technology
At present, the thermal recovery well head device used by offshore oilfield, generally boll-weevil hanger are connected as with tubing head four-way
The concentric structure of one.Finish in oil well stream-injection, after vexed well, open flow, need to rise by steam injection string, then, then well head is filled
The electric motor drive oil pump system well head device for being replaced by boll-weevil hanger that tape cable passes through and tubing head four-way eccentric structure is put, only in this way
Electric submersible pumping could be realized.But, due at sea changing, wellhead assembly operation is relatively complicated to cause which relatively costly, and
And, as existing marine thermal recovery well head device is when more than 350 DEG C steam is injected, its hanger and upper flange, tubing head four
Easily occur the problem of seal failure at logical sealing, therefore, cause the pressure in tubing string, oil jacket annular space to channel to hanger and upper method
In the annular space that blue, tubing head four-way is formed, meanwhile, also it is easily caused jackscrew, steel ring thorn leakage.
Utility model content
Main purpose of the present utility model is the disadvantages mentioned above for overcoming prior art to exist, and provides a kind of marine note and adopt
Integrated well head device, the function of thermal recovery well head device and electric motor drive oil pump system well head two sets of wellhead assemblies of device is integrated by which,
When steam injection operation switchs to electric submersible pumping, it is only necessary to a set of wellhead assembly, electric submersible pumping is just realized, and without the need for changing well again
Mouthful；Not only solve in steam injection operation changing electric submersible pumping technique, need lift pipe string and change the problem of well head, carry significantly
High work efficiency, saves the time and operating cost for changing well head；And, when also solving 350 DEG C of high temperature steam injections and turn electricity
The problem of the seal failure of latent pump oil recovery rear overhang hanging device and upper flange, hanger and tubing head four-way.
The purpose of this utility model is realized by technical scheme below：
A kind of marine note adopts integrated well head device, including：One tubing head four-way, installed in tubing head four-way Single port
Upper flange, it is characterised in that：The lower end of the upper flange is provided with boll-weevil hanger, is respectively equipped with upper flange and boll-weevil hanger
One eccentric orfice, the eccentric orfice are sealed by sealing ring built with overall cable penetration device, the cable penetration device；The oil pipe suspension
The top of device is set with the second sealing, and the second sealing is engaged with upper flange endoporus；Bottom is set with bottom first and seals, and first
Sealing is engaged with tubing head four-way endoporus；First sealed lower portion is equipped with support base and retaining ring, and support base bottom is provided with first
Inclined-plane, first inclined-plane are engaged with the second inclined-plane of tubing head four-way endoporus lower step.
In the middle part of the tubing head four-way endoporus and bottom is provided with two 45 ° of steps；Tubing head four-way Single port and upper flange
Between be provided with main valve, tubing head four-way Single port Pneumatic safety valve be installed, on the other three port of tubing head four-way point
Choke valve, flutter valve, paraffin valve, tree cap are not installed.
Second sealing is fixed on boll-weevil hanger by hold-down ring and jump ring.
First sealing, second are sealed into graphite grazing.
The paraffin valve and Pneumatic safety valve are integral type structure, and are connected with main valve.
The choke valve is adjustable.
The beneficial effects of the utility model：, due to adopting above-mentioned technical proposal, which is by thermal recovery well head device for this utility model
And the function of electric motor drive oil pump system well head two sets of wellhead assemblies of device is integrated, when steam injection operation switchs to electric submersible pumping, it is only necessary to
A set of wellhead assembly, just realizes electric submersible pumping, and without the need for changing well head again；Not only solve latent in steam injection operation changing electricity
During pump DP technology, need lift pipe string and change the problem of well head, substantially increase work efficiency, save the time for changing well head
And operating cost；And, when also solving 350 DEG C of high temperature steam injections and turn electric submersible pumping rear overhang hanging device and upper flange, hanger
With the problem of the seal failure of tubing head four-way.
Description of the drawings
Fig. 1 is this utility model structural representation.
Major Symbol explanation in figure：
1. tubing head four-way, 2. retaining ring, 3. support base, 4. the first sealing, 5. sealing member, 6. sealing gland, 7. second
Sealing, 8. hold-down ring, 9. jump ring, 10. upper flange, 11. choke valves, 12. jackscrews, 13. boll-weevil hangers, 14. upper flange bolts,
It is 15. cable penetration devices, 16. main valves, 17. relief valve, 18. flutter valves, 19. paraffin valves, 20. tree caps, 21. eccentric orfices, 22. close
Seal.
Specific embodiment
As shown in figure 1, this utility model includes：Tubing head four-way 1, installed in the upper flange of 1 Single port of tubing head four-way
10, wherein, the lower end of upper flange 10 is provided with boll-weevil hanger 13, is respectively equipped with one on upper flange 10 and boll-weevil hanger 13
Eccentric orfice 21, eccentric orfice 21 are sealed by sealing ring 22 built with overall cable penetration device 15, cable penetration device 15；Oil pipe suspension
The top of device 13 is set with the second sealing 7, and the second sealing 7 is engaged with 10 endoporus of upper flange, and it is close that bottom is set with bottom first
Envelope 4, the first sealing 4 are engaged with 1 endoporus of tubing head four-way；First 4 bottoms of sealing are equipped with support base 3 and retaining ring 2, support base
3 bottoms are provided with the first inclined-plane, and first inclined-plane is engaged with the second inclined-plane of 1 endoporus lower step of tubing head four-way.
In the middle part of above-mentioned 1 endoporus of tubing head four-way and bottom is provided with two 45 ° of steps, is double step structure.
Above-mentioned second sealing 7 passes through hold-down ring 8 and jump ring 9 is fixed on boll-weevil hanger 13.
It is provided between above-mentioned 1 Single port of tubing head four-way and upper flange 10 on main valve 16,1 Single port of tubing head four-way and pacifies
Equipped with Pneumatic safety valve 17, be separately installed with the other three port of tubing head four-way 1 choke valve 11, flutter valve 18, paraffin valve 19,
Tree cap 20.
Above-mentioned the 4, second sealing of first sealing 7 is graphite grazing.
Above-mentioned choke valve 11 is adjustable.
As offshore production platform installing space is limited, paraffin valve of the present utility model 19 and Pneumatic safety valve 17 are integrated
Formula structure, and be connected with main valve 16 with silk bolt is carried, so, whole height of the present utility model is not only reduced, also side
Install.
During use, first tubing head four-way 1 is sat on oil well casing head flange, carries out lower tubular column operation, tubing string last
After root G.I.H, 4, support base 3 is sealed by first and retaining ring 2 is arranged on 13 bottom of boll-weevil hanger, it is then, close by second
Envelope 7, hold-down ring 8 and jump ring 9 are arranged on 13 top of boll-weevil hanger, after the connection tubing string of boll-weevil hanger 13, then are transferred to
At 1 lower bevel step of tubing head four-way, first is excited by the weight of boll-weevil hanger 13 and hung tubing string by support base 3
Sealing 4 is sealed, and now, 13 middle bench of boll-weevil hanger is just sat at the upper inclined surface step of 1 endoporus of tubing head four-way；So
Afterwards, jackscrew connecting the two 12 is tightened, sealing gland 6 is compressed and is excited sealing member 5；Upper flange 10 is installed again, upper flange is tightened
Bolt 14, while steel ring is compressed, extrudes hold-down ring 8 to excite the second sealing 7, routinely other parts of operation installation well head
After Integral cable penetration device 15, you can carry out steam injection operation, after the completion of steam injection operation, after vexed well, open flow, you can directly
Proceed to electric submersible pumping.
The above, is only preferred embodiment of the present utility model, not makees any formal to this utility model
Restriction, every any simple modification above example made according to technical spirit of the present utility model, equivalent variations with
Modification, still falls within the range of technical solutions of the utility model.
Claims (6)
1. a kind of marine note adopts integrated well head device, including：One tubing head four-way, installed in the upper of tubing head four-way Single port
Flange, it is characterised in that：The lower end of the upper flange is provided with boll-weevil hanger, is respectively equipped with one on upper flange and boll-weevil hanger
Individual eccentric orfice, the eccentric orfice are sealed by sealing ring built with overall cable penetration device, the cable penetration device；The boll-weevil hanger
Top be set with the second sealing, the second sealing is engaged with upper flange endoporus；Bottom is set with bottom first and seals, and first is close
Envelope is engaged with tubing head four-way endoporus；First sealed lower portion is equipped with support base and retaining ring, and it is oblique that support base bottom is provided with first
Face, first inclined-plane are engaged with the second inclined-plane of tubing head four-way endoporus lower step.
2. marine note according to claim 1 adopts integrated well head device, it is characterised in that：The tubing head four-way endoporus
Middle part and bottom are provided with two 45 ° of steps；Main valve, tubing head four-way one are installed between tubing head four-way Single port and upper flange
Pneumatic safety valve is installed on port, be separately installed with the other three port of tubing head four-way choke valve, flutter valve, paraffin valve,
Tree cap.
3. marine note according to claim 1 adopts integrated well head device, it is characterised in that：Second sealing is by pressure
Tight ring and jump ring are fixed on boll-weevil hanger.
4. marine note according to claim 1 adopts integrated well head device, it is characterised in that：It is described first sealing, second
It is sealed into graphite grazing.
5. marine note according to claim 2 adopts integrated well head device, it is characterised in that：The paraffin valve and pneumatic peace
Full valve is integral type structure, and is connected with main valve.
6. marine note according to claim 2 adopts integrated well head device, it is characterised in that：The choke valve is adjustable
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063186.6U CN206035436U (en) | 2016-09-19 | 2016-09-19 | Integrated wellhead assembly is adopted to marine notes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063186.6U CN206035436U (en) | 2016-09-19 | 2016-09-19 | Integrated wellhead assembly is adopted to marine notes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035436U true CN206035436U (en) | 2017-03-22 |
Family
ID=58295885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621063186.6U Active CN206035436U (en) | 2016-09-19 | 2016-09-19 | Integrated wellhead assembly is adopted to marine notes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708713A (en) * | 2018-05-28 | 2018-10-26 | 成都威尔普斯石油工程技术服务有限公司 | The measurement technique of well logging is cutd open in a kind of producing well production |
-
2016
- 2016-09-19 CN CN201621063186.6U patent/CN206035436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708713A (en) * | 2018-05-28 | 2018-10-26 | 成都威尔普斯石油工程技术服务有限公司 | The measurement technique of well logging is cutd open in a kind of producing well production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: Tianjin Branch of China Sea Prtroleum (China) Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: Tianjin Branch of China Sea Prtroleum (China) Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |